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: A ภX\ Close ภR 5 6 7 G ; 1 85 ภA 7 1.4.4 8 1 ď‚Œ 2 2 G 7 Close(); 7I 84?7 ; ภG 7 5 : @A Form1 5 5 7 7 ภ>536 G 7 Close(); 8 6 8;5 > A : button1_Click 5 5 84?7 : ภA Xภ_ ภX\ : button1 ; G ภ@A Form1 7 7ภG 7 51 7 C# 4 ภภG 5AA 38 namespace 8; namespace ภA 38 class 8; class > A 6 7H ? 7 button1_Click ภ> N5 > A 5? 7 8; class : Form1 8; namespace : MyFirst ;5 6351 7 8 1 ď‚? ภ71?C5 ; 7 G 7 using System; 5 C5 N5ภภG 5A 36 8 6 8; namespace : 36 System ? 7 G ; A3ภ6 ภ; G 7 6 7H 8 6 3 635 namespace MyFirst 5 C5 7 : 7 8 { 7 : : 7 8 } 8 6 6 7 XA1 7 ŕ¸

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23*#4 1.5 4 ภ*0, 6ภ,5%0' 1. Form 2 > 2 2 G `A 75 C - Name : : 1 7F ภC7 : ; 5 36 Form1 A 7 1.5.1 8 1 ď‚Œ - BackColor : 1 72:C5F A 7 1.5.1 8 1 ď‚? - Text : 1 3 ภR 5 3F ภC7 : 5 36 Form1 A 7 1.5.1 8 1 ď‚Ž - StartPosition : ภA G 567; ภ5 6 71 7F ; : ภCenterOnscreen : G ภ5 ภ3 5 6 7F 8 6ภ7 5 A 7 1.5.1 8 1ď‚? - WindowState : 4 5 1 7F 3 ; : ภ: (1) Normal ภ(2) Minimized 86 (3) Maximized 18 8 A 7 1.5.1 8 1 ď‚?

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2. Button 2 > 2 2 G `A 75 C - Name : : 1 7 Button ภC7 : ; 5 36 button1 A 7 1.5.2 8 1 ď‚Œ - BackColor : 1 72:C5 X\ A 7 1.5.2 8 1 ď‚? - Font : 5 A 15 A1 7 3 ภ5 X\ A 7 1.5.2 8 1 ď‚Ž - ForeColor : 1 7 3 ภ5 X\ A 7 1.5.2 8 1 ď‚? - Text : 1 3 ภR 5 X\ ภC7 : 5 36 button1 A 7 1.5.2 8 1 ď‚?

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3. CheckBox 2 > 2 2 G `A 75 C - Name : : 1 7 CheckBox ภC7 : ; 5 36 checkBox1 A 7 1.5.3 8 1 ď‚Œ - BackColor : 2:C5 71 7 CheckBox A 7 1.5.3 8 1 ď‚? - Font : 5 A 15 A1 7 3 ภ1 7 CheckBox A 7 1.5.3 8 1 ď‚Ž - ForeColor : 1 7 3 ภCheckBox A 7 1.5.3 8 1 ď‚? - Text : 1 3 ภR 7 CheckBox ภC7 : 5 36 checkBox1 A 7 1.5.3 8 1 ď‚?

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4. CheckedListBox 2 > 2 2 G `A 75 C - Name : : 1 7 CheckedListBox ภC7 : ; 5 36 checkedListBox1 A 7 1.5.4 8 1 ď‚Œ - BackColor : 2:C5 71 7 CheckedListBox A 7 1.5.4 8 1 ď‚? - Font : 5 A 15 A1 7 3 ภ1 7 CheckedListBox A 7 1.5.4 8 1 ď‚Ž - ForeColor : 1 7 3 ภCheckedListBox A 7 1.5.4 8 1 ď‚? - Items : 1 3 ภR 5 CheckedListBox ภC7 : 5 36 checkedListBox1 A 7 1.5.4 8 1 ď‚?

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5. ComboBox 2 > 2 2 G `A 75 C - Name : : 1 7 ComboBox ภC7 : ; 5 36 comboBox1 A 7 1.5.5 8 1 ď‚Œ - BackColor : 2:C5 71 7 ComboBox A 7 1.5.5 8 1 ď‚? - Font : 5 A 15 A1 7 3 ภ1 7 ComboBox A 7 1.5.5 8 1 ď‚Ž - ForeColor : 1 7 3 ภComboBox A 7 1.5.5 8 1 ď‚? - Items : 8ภ; 6I3 ; : ภ;5 ComboBox A 7 1.5.5 8 1 ď‚? - Text : 1 3 ภR 8 6 5 ComboBox A 7 1.5.5 8 1 ď‚‘

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6. Label 2 > 2 2 G `A 75 C - Name : : 1 7 Label ภC7 : ; 5 36 label1 A 7 1.5.6 8 1 ď‚Œ - BackColor : 2:C5 71 7 Label A 7 1.5.6 8 1 ď‚? - Font : 5 A 15 A1 7 3 ภ1 7 Label A 7 1.5.6 8 1 ď‚Ž - ForeColor : 1 7 3 ภLabel A 7 1.5.6 8 1 ď‚? - Text : 1 3 ภR ภC7 : 5 36 label1 A 7 1.5.6 8 1 ď‚?

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7. LinkLabel 2 > 2 2 G `A 75 C - Name : : 1 7 LinkLabel ภC7 : ; 5 36 linkLabel1 A 7 1.5.7 8 1 ď‚Œ - ActiveLinkColor : 1 7 3 ภ5 LinkLabel : ภA 7 1.5.7 8 1 ď‚? - LinkColor : 5 A 15 A1 7 3 ภ1 7 LinkLabel A 7 1.5.7 8 1 ď‚Ž - Text : 1 3 ภR ภC7 : 5 36 linkLabel1 A 7 1.5.7 8 1 ď‚?

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8. ListBox 2 > 2 2 G `A 75 C - Name : : 1 7 ListBox ภC7 : ; 5 36 listBox1 A 7 1.5.8 8 1 ď‚Œ - Items : 8ภ1 3 ; 6;5 ListBox A 7 1.5.8 8 1 ď‚?

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9. ListView 2 > 2 2 G `A 75 C - Name : : 1 7 ListView ภC7 : ; 5 36 listView1 A 7 1.5.9 8 1 ď‚Œ - Groups : ภAภX6 31 A 7 1.5.9 8 1 ď‚? - Items : 31 8; Groups A 7 1.5.9 8 1 ď‚Ž - View : 1 7ภA7 ภG 5A default N5 LargeIcon A 7 1.5.9 8 1 ď‚?

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ภภ1 ภภMicrosoft Visula C# 2008

10. MaskedTextBox 2 > 2 2 G `A 75 C - Name : : 1 7 MaskedTextBox ภC7 : ; 5 36 maskedTextBox1 A 7 1.5.10 8 1 ď‚Œ - Mask : 1 7ภ6 A 7 1.5.10 8 1 ď‚? - PasswordChar : ภภG 5A ` ภ_ 65 ; 6 * ภR * : 2 2 3 ภ;A H ภ]52 2 A 7 1.5.10 8 1 ď‚Ž - UseSystemPasswordChar : ภภG 5A; 1?C5 XAAG : 2 2 ภ;A H ภ]52 2 ภset 6 N5 True ? 7 ภ4 ภC7 5 N5 False A 7 1.5.10 8 1 ď‚?

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11. MonthCalendar 2 > 2 2 G `A 75 C - Name : : 1 7 MonthCalendar ภC7 : ; 5 36 monthCalendar1 A 7 1.5.11 8 1 ď‚Œ - FirstDayOfWeek : ภภG 5A3 5 51 7 A default N53 5 5 A 7 1.5.11 8 1 ď‚? - TitleBackColor : ภภG 5A 2:C51 7 635 31 7 R 5 A 7 1.5.11 8 1 ď‚Ž - TitleForeColor : ภภG 5A 3 ภ635 31 7 R 5 A 7 1.5.11 8 1 ď‚? - TodayDate : ภภG 5A 6 3 5 } X 5 A 7 1.5.11 8 1 ď‚? - TraillingForeColor : ภภG 5A 3 5 1 7 A: 5ภ6 5 7 A 7 1.5.11 8 1 ď‚‘

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12. NumericUpDown 2 > 2 2 G `A 75 C - Name : : 1 7 NumericUpDown ภC7 : ; 5 36 numericUpDown1 A 7 1.5.12 8 1 ď‚Œ - Increment : ภภG 5A 8 6 71 7 637 3 1 : ภA X\ 79 1?C5- 7 A 7 1.5.12 8 1 ď‚? - Maximum : ภภG 5A 6 7 XA1 7 637 3 1 A 7 1.5.12 8 1 ď‚Ž - Minimum : ภภG 5A 6 G XA1 7 637 3 1 A 7 1.5.12 8 1 ď‚? - Value : ภภG 5A 6 5 A 7 1.5.12 8 1 ď‚?

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13. PictureBox 2 > 2 2 G `A 75 C - Name : : 1 7 PictureBox ภC7 : ; 5 36 pictureBox1 A 7 1.5.13 8 1 ď‚Œ - Image : ภภG 5A 2 ภ8 6 A 7 1.5.13 8 1 ď‚? - ImageLocation : ภภG 5A 5 7 (path) ภ> 1 7 2 A 7 1.5.13 8 1 ď‚Ž

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14. ProgressBar 2 > 2 2 G `A 75 C - Name : : 1 7 ProgressBar ภC7 : ; 5 36 progressBar1 A 7 1.5.14 8 1 ď‚Œ - Maximum : ภภG 5A 6 7 XA1 7 637 A 7 1.5.14 8 1 ď‚? - Minimum : ภภG 5A 6 G XA1 7 637 A 7 1.5.14 8 1 ď‚Ž - Step : ภภG 5A 8 6 71 7ภ2 : A 6 A 7 1.5.14 8 1 ď‚? - Value : 6 ภG 5A;5 } X 5 A 7 1.5.14 8 1 ď‚?

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ภภ1 ภภMicrosoft Visula C# 2008

15. RadioButton 2 > 2 2 G `A 75 C - Name : : 1 7 RadioButton ภC7 : ; 5 36 radioButton1 A 7 1.5.15 8 1 ď‚Œ - Text : ภภG 5A1 3 7 RadioButton A 7 1.5.15 8 1 ď‚?

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ภภ1 ภภMicrosoft Visula C# 2008

17. TextBox 2 > 2 2 G `A 75 C - Name : : 1 7 TextBox ภC7 : ; 5 36 textBox1 A 7 1.5.17 8 1 ď‚Œ - Text : ภภG 5A1 3 5 TextBox A 7 1.5.17 8 1 ď‚?

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ภภ1 ภภMicrosoft Visula C# 2008

19. WebBrowser 2 > 2 2 G `A 75 C - Name : : 1 7 WebBrowser ภC7 : ; 5 36 webBrowser1 A 7 1.5.19 8 1 ď‚Œ - Url : ภภG 5A : 3> I A 7 1.5.19 8 1 ď‚? - : 5 ภภR 5 6 7 3> A 7 1.5.19 8 1 ď‚Ž

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Math.Floor( 3 1 95 8 )

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6 G 535 > 4 ภ}A 7 Math.Floor(10.99) IA < 2s : ภภ95 8

10 }A 7 C7 A A8I 6 5; 95 8

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5 M0Math.Truncate( 3 1 95 8 )

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ToUpper

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*#4 = 4H 85 3 ภ; N5 3 ภ>ภC7 A

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DateTime.Now.ToShortDateString() N5ภ3 5 A: 5 z } X 5 5  ภ1 7 : 7 ShortDate DateTime.Now.ToLongDateString() N5ภ3 5 A: 5 z } X 5 5  ภ1 7 : 7 LongDate DateTime.Now.ToShortTimeString() N5ภ3 } X 5

5  ภ1 7 : 7 ShortTime DateTime.Now.ToLongTimeString() N5ภ3 } X 5

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MessageBox.Show("ÊÇÑÊ´Ă•¤Ă˜Âł " + textBox1.Text); namespace WindowsFormsApplication1 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { }

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ภR 5 6 7; 6 : IF Form1.cs 1 3 A 75 C namespace WindowsFormsApplication1 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { } } } 4. 1 85 ภ;5ภ1 1

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; ภ3 < 2:C5 8 <:5< 3; A7< 2s textBox3 A8; 2 2 G 7 7 X1 7 6 7 A 75 C int width,length,area; width = int.Parse(textBox1.Text); length = int.Parse(textBox2.Text); area = width * length ; textBox3.Text = area.ToString("##,###.##");

private void button1_Click(object sender, EventArgs e) { }

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namespace work26 { public partial class Form1 : Form { public Form1() { InitializeComponent(); textBox2.ReadOnly = true; } private void button1_Click(object sender, EventArgs e) { double radius = 0, area = 0; radius = double.Parse(textBox1.Text); area = Math.PI * radius * radius; textBox2.Text = area.ToString("#,###.##"); }

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private void button2_Click_1(object sender, EventArgs e) { textBox1.Clear(); textBox2.Clear(); } private void button3_Click_1(object sender, EventArgs e) { this.Close(); } } }

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namespace work27 { public partial class Form1 : Form { public Form1() { InitializeComponent(); textBox2.ReadOnly = true; } private void button1_Click_1(object sender, EventArgs e) { double result = 0; result = Math.Abs(double.Parse(textBox1.Text)); textBox2.Text = result.ToString(); } private void button2_Click_1(object sender, EventArgs e) { textBox1.Clear(); textBox2.Clear(); } private void button3_Click_1(object sender, EventArgs e) { this.Close(); } } }

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namespace work272 { public partial class Form1 : Form { public Form1() { InitializeComponent(); textBox2.ReadOnly = true; }

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private void button1_Click(object sender, EventArgs e) { double result = 0; result = Math.Sqrt(double.Parse(textBox1.Text)); textBox2.Text = result.ToString("#,###.##"); } private void button2_Click(object sender, EventArgs e) { textBox1.Clear(); textBox2.Clear(); } private void button3_Click(object sender, EventArgs e) { this.Close(); } } }

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namespace work273 { public partial class Form1 : Form { public Form1() { InitializeComponent(); textBox3.ReadOnly = true; } private void button1_Click(object sender, EventArgs e) { double result = 0; result = Math.Pow(double.Parse(textBox1.Text), (double.Parse(textBox2.Text))); textBox3.Text = result.ToString("#,###.##"); } private void button2_Click(object sender, EventArgs e) { textBox1.Clear(); textBox2.Clear(); } private void button3_Click(object sender, EventArgs e) { this.Close(); } } }

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label1

label2

textBox1 button1

label3

textBox2

? 0 2 IA < 2s .................................8................................ ? 0 3 3 ภ4ภ? 0 2 -H ภI? &u button1 - ), l private void button1_Click(object sender, EventArgs e) { string str1,str2; str1 = textBox1.Text; str2 = str1.ToUpper(); textBox2.Text = str2; } IA < 2s .........COMPUTER.......................................... ? 0 4 3 ภ4ภ? 0 3 -H ภI? &u button1 - ), l private void button1_Click(object sender, EventArgs e) { string str1,str2; str1 = textBox1.Text; str2 = str1.ToLower(); textBox2.Text = str2; } IA < 2s .........computer.......................................... 135

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? 0 5 3 ภ4ภ? 0 4 -H ภI? &u button1 - ), l private void button1_Click(object sender, EventArgs e) { string str1; bool result1; str1 = textBox1.Text; result1 = str1.StartsWith("Co"); textBox2.Text = result1.ToString(); } - Computer IA < 2s .....................true.................................................................................... - Software IA < 2s .......................false................................................................................... ? 0 6 3 ภ4ภ? 0 5 -H ภI? &u button1 - ), l private void button1_Click(object sender, EventArgs e) { string str1,str2; str1 = textBox1.Text; str2 = str1.Replace("co","ji"); textBox2.Text = (str2); } IA < 2s .........jiffee.......................................... ? 0 7 3 ภ4ภ? 0 6 -H ภI? &u button1 - ), l private void button1_Click(object sender, EventArgs e) { string str1,str2; str1 = textBox1.Text; str2 = str1.Remove(4); textBox2.Text = (str2); } IA < 2s .........comp..........................................

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? 0 8 3 ภ4ภ? 0 7 -H ภI? &u button1 - ), l private void button1_Click(object sender, EventArgs e) { string str1,str2; str1 = textBox1.Text; str2 = str1.SubString(2,3); textBox2.Text = (str2); } IA < 2s .........mpu.......................................... ? 0 9 3 ภ4ภ? 0 8 -H ภI? &u button1 - ), l private void button1_Click(object sender, EventArgs e) { string str1,str2; str1 = textBox1.Text; str2 = str1.TrimStart(); textBox2.Text = (str2); } IA < 2s .........computer..........................................

label1 label2 textBox1 textBox2

label3

button1 textBox3

label4

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? 0 12 @ @+ * - &u button1 - ), l private void button1_Click(object sender, EventArgs e) { string str1,str2; int result1; str1 = textBox1.Text; str2 = textBox2.Text; result1 = String.Compare(str1,str2); textBox3.Text = result1.ToString(); }

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timer1.Enabled = true; }

private void timer1_Tick(object sender, EventArgs e) { label2.Text = (timer1.Interval).ToString(); progressBar1.Value += 1; hScrollBar1.Value += 1; if (progressBar1.Value == progressBar1.Maximum) { timer1.Enabled = false; button1.Enabled = false; } }

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// % + % % 0

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ChangeMyColor()

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ď‚?

private void voidOddEven(int n) { if (n % 2 == 0) label3.Text = "0 &I ภK ! $ ) ภ# else label3.Text = }

) = E ' ") ; "0 &I ภK ! $ ) ภ# ) = E ' " ;

ď‚Ž

private string strOddEven(int n) { if (n % 2 == 0) return " E else return " E }

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= "Febuary"; = "March"; = "April"; = "May"; = "June"; = "July"; = "August"; = "September"; = "October"; = "November"; = "December"; = "Error";

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ď‚?

private void voidOddEven(int n) {

if (n % 2 == 0) label3.Text = "0 &I ภK ! $ ) ภ# else label3.Text =

) = E ' ") ; "0 &I ภK ! $ ) ภ# ) = E ' " ;

}

ď‚Ž

private string strOddEven(int n) { if (n % 2 == 0) return " E else return " E

' ") ;

' " ;

} private void button2_Click(object sender, EventArgs e) { textBox1.Clear(); textBox1.Focus(); label2.Text = ""; label3.Text = ""; }

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